20946673462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:638

約数の個数: 128

約数和(自身を含む): 39883415040

約数和(自身を除く): 18936741578

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 53, 106, 143, 209, 247, 257, 283, 286, 418, 494, 514, 566, 583, 689, 1007, 1166, 1378, 2014, 2717, 2827, 3113, 3341, 3679, 4883, 5377, 5434, 5654, 6226, 6682, 7358, 7579, 9766, 10754, 11077, 13091, 13621, 14999, 15158, 22154, 26182, 27242, 29998, 36751, 40469, 53713, 59147, 63479, 69901, 72731, 73502, 80938, 107426, 118294, 126958, 139802, 144001, 145462, 149831, 164989, 177073, 194987, 258799, 284981, 288002, 299662, 329978, 354146, 389974, 517598, 569962, 698269, 768911, 800041, 945503, 1381889, 1396538, 1537822, 1600082, 1891006, 1947803, 2144857, 2763778, 2846789, 3134791, 3364387, 3704753, 3854743, 3895606, 4289714, 5693578, 6269582, 6728774, 7409506, 7709486, 10400533, 15200779, 17964557, 20801066, 30401558, 35929114, 37008257, 40752283, 42402173, 50111659, 73240117, 74016514, 81504566, 84804346, 100223318, 146480234, 197610127, 395220254, 551228249, 805641287, 952121521, 1102456498, 1611282574, 1904243042, 10473336731, 20946673462]

約数ペア:

[(1, 20946673462), (2, 10473336731), (11, 1904243042), (13, 1611282574), (19, 1102456498), (22, 952121521), (26, 805641287), (38, 551228249), (53, 395220254), (106, 197610127), (143, 146480234), (209, 100223318), (247, 84804346), (257, 81504566), (283, 74016514), (286, 73240117), (418, 50111659), (494, 42402173), (514, 40752283), (566, 37008257), (583, 35929114), (689, 30401558), (1007, 20801066), (1166, 17964557), (1378, 15200779), (2014, 10400533), (2717, 7709486), (2827, 7409506), (3113, 6728774), (3341, 6269582), (3679, 5693578), (4883, 4289714), (5377, 3895606), (5434, 3854743), (5654, 3704753), (6226, 3364387), (6682, 3134791), (7358, 2846789), (7579, 2763778), (9766, 2144857), (10754, 1947803), (11077, 1891006), (13091, 1600082), (13621, 1537822), (14999, 1396538), (15158, 1381889), (22154, 945503), (26182, 800041), (27242, 768911), (29998, 698269), (36751, 569962), (40469, 517598), (53713, 389974), (59147, 354146), (63479, 329978), (69901, 299662), (72731, 288002), (73502, 284981), (80938, 258799), (107426, 194987), (118294, 177073), (126958, 164989), (139802, 149831), (144001, 145462)]